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Expired Canadian patentCanada

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CA 103995 A · Owner: Wilson, James H. · Inventors: Wilson, James H.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted March 12, 1907. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 1924.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 11, 1907
GrantedMarch 12, 1907
Term endedMarch 12, 1924
Patent numberCA 103995 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190819101912191419161918192019221924Application filedFeb 11, 1907Patent grantedMarch 12, 1907Term endedMarch 12, 1924

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.